data_global
_chemical_name_mineral 'Calcioburbankite'
loop_
_publ_author_name
'Marsh R E'
_journal_name_full 'Acta Crystallographica, Section C'
_journal_volume 45 
_journal_year 1989
_journal_page_first 1840
_journal_page_last 1840
_publ_section_title
;
 Structure of Na3M3(CO3)5. Corrigendum
;
_database_code_amcsd 0010081
_chemical_compound_source 'Nlende, Kribi, Cameroon'
_chemical_formula_sum 'Na3.4 Ce1.22 Ca1.15 Sr.24 C5 O15'
_cell_length_a 10.444
_cell_length_b 18.01799
_cell_length_c 6.291
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 1183.840
_exptl_crystal_density_diffrn      3.458
_symmetry_space_group_name_H-M 'C m c 21'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,1/2+z'
  '1/2+x,1/2-y,1/2+z'
  '-x,y,z'
  '1/2-x,1/2+y,z'
  '-x,-y,1/2+z'
  '1/2-x,1/2-y,1/2+z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Na13   0.21530   0.26160   0.19050   1.00000   0.02026
Na2   0.00000   0.47700   0.18950   1.00000   0.01900
CeM1   0.00000  -0.15870   0.00000   1.00000   0.01305
CaM23   0.26100   0.57940   0.00180   0.57500   0.01355
CeM23   0.26100   0.57940   0.00180   0.11000   0.01355
NaM23   0.26100   0.57940   0.00180   0.20000   0.01355
SrM23   0.26100   0.57940   0.00180   0.12000   0.01355
C1   0.00000  -0.00020   0.16660   1.00000   0.01393
O1   0.00000   0.07060   0.16710   1.00000   0.02913
O23   0.10420  -0.03580   0.15970   1.00000   0.03166
C2   0.00000   0.66720   0.02580   1.00000   0.01520
O4   0.00000   0.59660   0.02630   1.00000   0.02406
O56   0.10500   0.70340   0.02290   1.00000   0.02533
C34   0.20420   0.40180  -0.03380   1.00000   0.01140
O89   0.16540   0.38900   0.15270   1.00000   0.01900
O1013   0.27780   0.35430  -0.12980   1.00000   0.02026
O1214   0.16920   0.46060  -0.13250   1.00000   0.02026
C5   0.00000   0.19680  -0.03530   1.00000   0.01140
O7   0.00000   0.22280   0.15110   1.00000   0.01773
O1115   0.10690   0.18380  -0.13020   1.00000   0.02026